Climate averages 1991–2020
Sidi Slimane weather
in September.
A hot, fairly dry month: the 4th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Sidi Slimane: daytime highs average 30.6°C and nights cool to about 18.1°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 17 mm of rain on roughly 3 days, which makes September a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average September day.
The nearest other city in this atlas is Sidi Kacem (21 km away). In September its highs average 31.3°C, 0.7°C warmer than Sidi Slimane, with 18 mm of rain.
Among the 56 cities listed in Morocco, Sidi Slimane ranks 12th of 56 for the warmest September highs and joint 33rd of 56 for the driest September (rainfall, lowest first). The mean September high of those 56 cities is 28.8°C; Sidi Slimane is 1.8°C warmer than that mean.
From September to October, average highs fall by 3.8°C to 26.8°C, and monthly rainfall rises from 17 mm to 51 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sidi Slimane climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.9°C6.7°C | 6.7°C | 56 | 7.8 | 10.110 h |
| February | 18.5°C7.7°C | 7.7°C | 48 | 7.2 | 10.911 h |
| March | 21.4°C9.8°C | 9.8°C | 49 | 6.8 | 11.912 h |
| April | 23.3°C11.5°C | 11.5°C | 40 | 6.9 | 13.013 h |
| May | 27.1°C14.4°C | 14.4°C | 26 | 5.0 | 13.914 h |
| June | 31.2°C17.3°C | 17.3°C | 7.0 | 1.5 | 14.414 h |
| July | 34.2°C19.2°C | 19.2°C | 1.0 | 0.2 | 14.214 h |
| August | 34.2°C19.7°C | 19.7°C | 1.1 | 0.4 | 13.413 h |
| September, selected | 30.6°C18.1°C | 18.1°C | 17 | 2.9 | 12.412 h |
| October | 26.8°C15.3°C | 15.3°C | 51 | 6.4 | 11.411 h |
| November | 21.2°C11.0°C | 11.0°C | 65 | 7.6 | 10.410 h |
| December | 18.0°C8.3°C | 8.3°C | 57 | 7.5 | 9.910 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Sidi Kacem in SeptemberMorocco · 21 kmHigh 31.3°C · Low 19.1°C · 18 mm rain
- Souk El Arbaa in SeptemberMorocco · 47 kmHigh 29.7°C · Low 18.2°C · 24 mm rain
- Khemisset in SeptemberMorocco · 51 kmHigh 28.6°C · Low 15.9°C · 21 mm rain
- Meknes in SeptemberMorocco · 54 kmHigh 29.3°C · Low 16.4°C · 23 mm rain
- Tiflet in SeptemberMorocco · 54 kmHigh 29.1°C · Low 16.8°C · 17 mm rain
- Kenitra in SeptemberMorocco · 60 kmHigh 25.9°C · Low 19.5°C · 19 mm rain
- Salé Al Jadida in SeptemberMorocco · 81 kmHigh 27.7°C · Low 18.2°C · 15 mm rain
- Ksar El Kebir in SeptemberMorocco · 82 kmHigh 28.9°C · Low 17.9°C · 27 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sidi Slimane) is explained once on the Sidi Slimane year overview and on the Sources, method and limits page.